"I believe the world is getting warmer, and I believe that humans have contributed to that," Mitt Romney told a crowd supporters at a town hall meeting in Manchester, New Hampshire. "It's important for us to reduce our emissions of pollutants and greenhouse gases that may be significant contributors." Immediately the "See! He's a RINO emails" began to flow in, but Romney is just saying what every serious GOP contender will have to say, and what the best voice conservatives have on the subject, AEI's Steven Hayward says. (Here's a recent Weekly Standard piece from Hayward that updates the surveys...